zeroshade commented on code in PR #13492:
URL: https://github.com/apache/arrow/pull/13492#discussion_r953857778
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format/FlightSql.proto:
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@@ -1550,6 +1755,48 @@ message DoPutUpdateResult {
int64 record_count = 1;
}
+/*
+ * Request message for the "CancelQuery" action.
+ *
+ * Explicitly cancel a running query.
+ *
+ * This lets a single client explicitly cancel work, no matter how many clients
+ * are involved/whether the query is distributed or not, given server support.
+ * The transaction/statement is not rolled back; it is the application's job to
+ * commit or rollback as appropriate. This only indicates the client no longer
+ * wishes to read the remainder of the query results or continue submitting
+ * data.
+ *
+ * This command is idempotent.
+ */
+message ActionCancelQueryRequest {
+ option (experimental) = true;
+
+ // The result of the GetFlightInfo RPC that initated the query.
+ // XXX(ARROW-16902): this must be a serialized FlightInfo, but is
+ // rendered as bytes because Protobuf does not really support one
+ // DLL using Protobuf definitions from another DLL.
+ bytes info = 1;
+}
+
+/*
+ * The result of cancelling a query.
+ *
+ * The result should be wrapped in a google.protobuf.Any message.
+ */
+message ActionCancelQueryResult {
+ option (experimental) = true;
+
+ enum CancelResult {
+ CANCEL_RESULT_UNSPECIFIED = 0;
+ CANCEL_RESULT_CANCELLED = 1;
+ CANCEL_RESULT_CANCELLING = 2;
+ CANCEL_RESULT_NOT_CANCELLABLE = 3;
Review Comment:
yup much better! thanks!
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